Kali MCP Server

events { worker_connections 1024; } http { include /etc/nginx/mime.types; default_type application/octet-stream; # Logging log_format main '$remote_addr - $remote_user [$time_local] "$request" ' '$status $body_bytes_sent "$http_referer" ' '"$http_user_agent" "$http_x_forwarded_for"'; access_log /var/log/nginx/access.log main; error_log /var/log/nginx/error.log warn; # Basic settings sendfile on; tcp_nopush on; tcp_nodelay on; keepalive_timeout 65; types_hash_max_size 2048; client_max_body_size 10M; # Gzip compression gzip on; gzip_vary on; gzip_min_length 1024; gzip_proxied any; gzip_comp_level 6; gzip_types text/plain text/css text/xml text/javascript application/json application/javascript application/xml+rss application/atom+xml image/svg+xml; # Rate limiting limit_req_zone $binary_remote_addr zone=api:10m rate=10r/s; limit_req_zone $binary_remote_addr zone=tools:10m rate=5r/s; # Upstream servers upstream kali_mcp_backend { server kali-mcp-server:5000; keepalive 32; } # HTTP server (redirect to HTTPS in production) server { listen 80; server_name _; # Security headers add_header X-Frame-Options DENY; add_header X-Content-Type-Options nosniff; add_header X-XSS-Protection "1; mode=block"; add_header Referrer-Policy "strict-origin-when-cross-origin"; add_header Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-inline'; style-src 'self' 'unsafe-inline';"; # Health check endpoint location /health { proxy_pass http://kali_mcp_backend; proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header X-Forwarded-Proto $scheme; } # API endpoints with rate limiting location /api/ { limit_req zone=api burst=20 nodelay; proxy_pass http://kali_mcp_backend/; proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header X-Forwarded-Proto $scheme; # Timeouts proxy_connect_timeout 5s; proxy_send_timeout 60s; proxy_read_timeout 300s; } # Tool execution endpoint with stricter rate limiting location /run { limit_req zone=tools burst=5 nodelay; proxy_pass http://kali_mcp_backend; proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header X-Forwarded-Proto $scheme; # Extended timeouts for tool execution proxy_connect_timeout 5s; proxy_send_timeout 60s; proxy_read_timeout 600s; } # All other endpoints location / { proxy_pass http://kali_mcp_backend; proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header X-Forwarded-Proto $scheme; # Standard timeouts proxy_connect_timeout 5s; proxy_send_timeout 60s; proxy_read_timeout 60s; } # Block access to sensitive files location ~ /\. { deny all; } location ~ \.(log|conf|key|pem)$ { deny all; } } # HTTPS server (uncomment for production) # server { # listen 443 ssl http2; # server_name _; # # # SSL configuration # ssl_certificate /etc/nginx/certs/cert.pem; # ssl_certificate_key /etc/nginx/certs/key.pem; # ssl_protocols TLSv1.2 TLSv1.3; # ssl_ciphers ECDHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES128-SHA256:ECDHE-RSA-AES256-SHA384; # ssl_prefer_server_ciphers on; # ssl_session_cache shared:SSL:10m; # ssl_session_timeout 10m; # # # Security headers # add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always; # add_header X-Frame-Options DENY; # add_header X-Content-Type-Options nosniff; # add_header X-XSS-Protection "1; mode=block"; # add_header Referrer-Policy "strict-origin-when-cross-origin"; # add_header Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-inline'; style-src 'self' 'unsafe-inline';"; # # # Same location blocks as HTTP server # location /health { # proxy_pass http://kali_mcp_backend; # proxy_set_header Host $host; # proxy_set_header X-Real-IP $remote_addr; # proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; # proxy_set_header X-Forwarded-Proto $scheme; # } # # location /api/ { # limit_req zone=api burst=20 nodelay; # proxy_pass http://kali_mcp_backend/; # proxy_set_header Host $host; # proxy_set_header X-Real-IP $remote_addr; # proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; # proxy_set_header X-Forwarded-Proto $scheme; # # proxy_connect_timeout 5s; # proxy_send_timeout 60s; # proxy_read_timeout 300s; # } # # location /run { # limit_req zone=tools burst=5 nodelay; # proxy_pass http://kali_mcp_backend; # proxy_set_header Host $host; # proxy_set_header X-Real-IP $remote_addr; # proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; # proxy_set_header X-Forwarded-Proto $scheme; # # proxy_connect_timeout 5s; # proxy_send_timeout 60s; # proxy_read_timeout 600s; # } # # location / { # proxy_pass http://kali_mcp_backend; # proxy_set_header Host $host; # proxy_set_header X-Real-IP $remote_addr; # proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; # proxy_set_header X-Forwarded-Proto $scheme; # # proxy_connect_timeout 5s; # proxy_send_timeout 60s; # proxy_read_timeout 60s; # } # # location ~ /\. { # deny all; # } # # location ~ \.(log|conf|key|pem)$ { # deny all; # } # } }